$\textrm{H}_\infty$ 기법에 의한 발사체의 견실한 제어기 설계

Robust Controller Design by $\textrm{H}_\infty$ Method for a Launch Vehicle

In this paper, discrete-time H$_{\infty}$ controller design in .delta.- domaion using Normalized Coprime Factor plant description is proposed and the loop-shaping method developed by Mcfalane[2], which is known to be very simple and systematic method, is adopted here in H$_{\infty}$ controller design. In particular, we show that .delta.- H$_{\infty}$ controller proposed here is a unified form for the continuous and discrete-time cases.es.